Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

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Last Map Update: Tue, Aug 18, 2026 at 3:42:29 am EDT

Watches, Warnings & Advisories

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Heat Advisory

Dry & Warm Night Ahead

Island Chain

Marine Winds

Wave Heights

Dry and warm night ahead, with similar conditions expected for Tuesday. Winds will start off E-SE at 5-10 mph tonight, then become light and variable, and eventually turn more W-NW tomorrow while returning to 5-10 mph.

Today... Mostly sunny. Highs near 90. Light and variable winds, becoming west to northwest winds and increasing to 5 to 10 mph.

Today... Variable light breezes becoming light to gentle NW-N breezes (W-NW near & north of island chain). Seas: Bay/Gulfside ≤1 ft; Hawk Channel ~1 ft; FL Straits ~1 ft; SE Gulf ~1 ft. Bay/nearshore waters smooth to a light chop (FL Bay becoming a light chop).